Hive | ArrayIndexOutOfBounds |选择查询中有1000多个列

Question

我正在尝试在具有300列的Hive表上运行一些组操作（例如最大，最小，平均，计数等）。因此，我的选择查询将具有1000多个列和4000多个字符。选择查询失败。我正面临以下问题。

Diagnostic Messages for this Task:
Error: java.lang.RuntimeException: Hive Runtime Error while closing operators
    at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.close(ExecMapper.java:217)
    at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:61)
    at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:453)
    at org.apache.hadoop.mapred.MapTask.run(MapTask.java:343)
    at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:164)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:415)
    at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1796)
    at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: org.apache.hadoop.hive.ql.metadata.HiveException: org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.ArrayIndexOutOfBoundsException: -128
    at org.apache.hadoop.hive.ql.exec.GroupByOperator.closeOp(GroupByOperator.java:1084)
    at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:598)
    at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:610)
    at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:610)
    at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:610)
    at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.close(ExecMapper.java:199)
    ... 8 more
Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.ArrayIndexOutOfBoundsException: -128
    at org.apache.hadoop.hive.ql.exec.GroupByOperator.flush(GroupByOperator.java:1042)
    at org.apache.hadoop.hive.ql.exec.GroupByOperator.closeOp(GroupByOperator.java:1081)
    ... 13 more
Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.ArrayIndexOutOfBoundsException: -128
    at org.apache.hadoop.hive.ql.exec.ReduceSinkOperator.processOp(ReduceSinkOperator.java:401)
    at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:815)
    at org.apache.hadoop.hive.ql.exec.GroupByOperator.forward(GroupByOperator.java:1007)
    at org.apache.hadoop.hive.ql.exec.GroupByOperator.flush(GroupByOperator.java:1025)
    ... 14 more
Caused by: java.lang.ArrayIndexOutOfBoundsException: -128
    at java.util.ArrayList.elementData(ArrayList.java:400)
    at java.util.ArrayList.get(ArrayList.java:413)
    at org.apache.hadoop.hive.serde2.binarysortable.BinarySortableSerDe.serialize(BinarySortableSerDe.java:797)
    at org.apache.hadoop.hive.serde2.binarysortable.BinarySortableSerDe.serialize(BinarySortableSerDe.java:609)
    at org.apache.hadoop.hive.ql.exec.ReduceSinkOperator.toHiveKey(ReduceSinkOperator.java:508)
    at org.apache.hadoop.hive.ql.exec.ReduceSinkOperator.processOp(ReduceSinkOperator.java:394)
    ... 17 more

当我尝试在Hive终端上运行查询时收到此错误。

配置单元中有一个包含300列的表，当我在此表的所有列上执行诸如count，min，max，distinct等组功能时，都会遇到上述错误。配置单元查询非常庞大，其中包含300 * 6（让我们考虑6个组函数-应用于每一列）。

Answer 1

您能告诉我们这个问题是如何解决的